How to use genExpression method in Playwright Internal
Best JavaScript code snippet using playwright-internal
vnode.js
Source:vnode.js 
...23 case 2 /* TEXT */:24 genText(node, context)25 break26 case 4 /* SIMPLE_EXPRESSION */:27 genExpression(node, context)28 break29 case 5 /* INTERPOLATION */:30 genInterpolation(node, context)31 break32 case 12 /* TEXT_CALL */:33 genNode(node.codegenNode, context)34 break35 case 8 /* COMPOUND_EXPRESSION */:36 genCompoundExpression(node, context)37 break38 case 3 /* COMMENT */:39 break40 case 13 /* VNODE_CALL */:41 genVNodeCall(node, context)42 break43 case 14 /* JS_CALL_EXPRESSION */:44 genCallExpression(node, context)45 break46 case 15 /* JS_OBJECT_EXPRESSION */:47 genObjectExpression(node, context)48 break49 case 17 /* JS_ARRAY_EXPRESSION */:50 genArrayExpression(node, context)51 break52 case 18 /* JS_FUNCTION_EXPRESSION */:53 genFunctionExpression(node, context)54 break55 case 19 /* JS_CONDITIONAL_EXPRESSION */:56 genConditionalExpression(node, context)57 break58 case 20 /* JS_CACHE_EXPRESSION */:59 genCacheExpression(node, context)60 break61 // SSR only types62 case 21 /* JS_BLOCK_STATEMENT */:63 genNodeList(node.body, context, true, false)64 break65 case 22 /* JS_TEMPLATE_LITERAL */:66 genTemplateLiteral(node, context)67 break68 case 23 /* JS_IF_STATEMENT */:69 genIfStatement(node, context)70 break71 case 24 /* JS_ASSIGNMENT_EXPRESSION */:72 genAssignmentExpression(node, context)73 break74 case 25 /* JS_SEQUENCE_EXPRESSION */:75 genSequenceExpression(node, context)76 break77 case 26 /* JS_RETURN_STATEMENT */:78 genReturnStatement(node, context)79 break80 }81}82function genVNodeCall(node, context) {83 const { push, helper, pure } = context84 const { tag, props, children, patchFlag, dynamicProps, directives, isBlock, disableTracking } = node85 if (directives) {86 push(helper(WITH_DIRECTIVES) + `(`)87 }88 if (isBlock) {89 push(`(${helper(OPEN_BLOCK)}(${disableTracking ? `true` : ``}), `)90 }91 if (pure) {92 push(PURE_ANNOTATION)93 }94 push(helper(isBlock ? CREATE_BLOCK : CREATE_VNODE) + `(`, node)95 genNodeList(genNullableArgs([tag, props, children, patchFlag, dynamicProps]), context)96 push(`)`)97 if (isBlock) {98 push(`)`)99 }100 if (directives) {101 push(`, `)102 genNode(directives, context)103 push(`)`)104 }105}106function genNullableArgs(args) {107 let i = args.length108 while (i--) {109 if (args[i] != null)110 break111 }112 return args.slice(0, i + 1).map(arg => arg || `null`)113}114function genNodeList(nodes, context, multilines = false, comma = true) {115 const { push, newline } = context116 for (let i = 0; i < nodes.length; i++) {117 const node = nodes[i]118 if (shared.isString(node)) {119 push(node)120 }121 else if (shared.isArray(node)) {122 genNodeListAsArray(node, context)123 }124 else {125 genNode(node, context)126 }127 if (i < nodes.length - 1) {128 if (multilines) {129 comma && push(',')130 newline()131 }132 else {133 comma && push(', ')134 }135 }136 }137}138function genExpression(node, context) {139 const { content, isStatic } = node140 context.push(isStatic ? JSON.stringify(content) : content, node)141}142function genNodeListAsArray(nodes, context) {143 const multilines = nodes.length > 3 || nodes.some(n => isArray(n) || !isText$1(n))144 context.push(`[`)145 multilines && context.indent()146 genNodeList(nodes, context, multilines);147 multilines && context.deindent()148 context.push(`]`)149}150function genConditionalExpression(node, context) {151 const { test, consequent, alternate, newline: needNewline } = node152 const { push, indent, deindent, newline } = context153 // çææ¡ä»¶è¡¨è¾¾å¼154 if (test.type === 4 /* SIMPLE_EXPRESSION */) {155 const needsParens = !isSimpleIdentifier(test.content)156 needsParens && push(`(`)157 genExpression(test, context)158 needsParens && push(`)`)159 }160 else {161 push(`(`)162 genNode(test, context)163 push(`)`)164 }165 // æ¢è¡å 缩è¿166 needNewline && indent()167 context.indentLevel++168 needNewline || push(` `)169 // çæ主é»è¾ä»£ç 170 push(`? `)171 genNode(consequent, context)...
cal.js
Source:cal.js
...58 this.second = b;59 this.operator = '+';60 this.priority = 0;61 this.isExpression = true;62 this.genExpression();63 }64 calculateRule(){65 return true66 }67 genExpression(){68 this.calculateRule();69 this.expression = `${this.first.expression}${this.operator}${this.second.expression}`;70 this.val = eval(this.expression);71 }72 wrapBrackets(){73 this.expression = `(${this.expression})`;74 this.priority+=2;75 }76 refresh(){77 this.first.refresh();78 this.second.refresh();79 this.genExpression();80 }81}8283class PlusUnit extends ExpressionUnit{84 constructor(a,b){85 super(a,b);86 this.genExpression();87 }88}8990class MinusUnit extends ExpressionUnit{91 constructor(a,b){92 super(a,b);93 this.operator = '-';94 this.priority = 0;95 this.genExpression();96 }97 calculateRule(){98 99 while(this.first.val < this.second.val){100 this.first.refresh()101 this.second.refresh();102 }103104 //第äºä¸ªåæ°æ¯å æ³è¡¨è¾¾å¼æåæ³è¡¨è¾¾å¼ï¼å æ¬å·105 if(this.second.isExpression && this.second.priority == this.priority){106 if(this.second instanceof MinusUnit || this.second instanceof PlusUnit){107 this.second.wrapBrackets();108 }109 }110 }111}112113class MultiplyUnit extends ExpressionUnit{114 constructor(a,b){115 super(a,b);116 this.operator = '*';117 this.priority = 1;118 this.genExpression();119 }120 calculateRule(){121 if(this.first.isExpression && this.first.priority < this.priority){122 if(this.first instanceof MinusUnit || this.first instanceof PlusUnit){123 this.first.wrapBrackets();124 }125 }126 //第äºä¸ªåæ°æ¯å æ³è¡¨è¾¾å¼æåæ³è¡¨è¾¾å¼ï¼å æ¬å·127 if(this.second.isExpression && this.second.priority < this.priority){128 if(this.second instanceof MinusUnit || this.second instanceof PlusUnit){129 this.second.wrapBrackets();130 }131 }132 }133}134135class DivisionUnit extends ExpressionUnit{136 constructor(a,b){137 super(a,b);138 this.operator = '/';139 this.priority = 1;140 this.genExpression();141 }142 calculateRule(){143 144 while(this.second.val == 0 || (this.first.val%this.second.val !=0)){145 this.first.refresh();146 this.second.refresh();147 }148149 if(this.first.isExpression && this.first.priority <= this.priority){150 this.first.wrapBrackets();151 }152 if(this.second.isExpression && this.second.priority <= this.priority){153 this.second.wrapBrackets();154 }
...
autociv_hotkey_entity.js
Source:autociv_hotkey_entity.js
...130 const genExpression = list =>131 expression.replace(/([^&!|()]+)/g, match =>132 list.indexOf(match) == -1 ? "0" : "1")133 // Test if expression is a valid expression ([] as dummy data)134 const testExpression = genExpression([])135 // /^[01&!|()]+$/ regex matches only 0 1 and boolean operators136 if (!/^[01&!|()]+$/.test(testExpression))137 {138 // Known pitfall:139 // & and && ( | and || ) are equivalent for 1 bit operations.140 // Use & and | or && and || but do not mix both in the same expression.141 warn(`INVALID EXPRESSION: "${expression}" Only allowed operators are: & ! | ( )`)142 return143 }144 // Test expression is well defined (doesn't throw errors)145 try { !!Function("return " + testExpression)() }146 catch (err)147 {148 warn(`INVALID EXPRESSION: "${expression}" Expression wrongly defined`)149 return150 }151 return list => !!Function("return " + genExpression(list))()...
gen.js
Source:gen.js
...107 for (let i = 0; branchs && i < branchs.length; i++) {108 const { condition, body } = branchs[i]109 if (i === 0) {110 context.code += `if (`111 genExpression(condition, context)112 context.code += `) {\r\n`113 } else if (condition) {114 context.code += ` else if (`115 genExpression(condition, context)116 context.code += `) {\r\n`117 } else {118 context.code += ' else {\r\n'119 }120 generate(body, context)121 context.code += '\r\n}'122 }123}124export function genFor(node, context) {125 const {126 data: { assignment, condition, iterator, body }127 } = node128 context.code += 'for ('129 genAssignment(assignment, context)130 context.code += ' '131 genConditionalExpression(condition, context)132 context.code += '; '133 genExpression(iterator, context)134 context.code += ') {\r\n'135 generate(body, context)136 context.code += '\r\n}'137}138export function genFunctionCall(node, context) {139 const {140 data: {141 variable: { type: varType, name: varName },142 name,143 args144 }145 } = node146 context.code += `let ${name} = `147 context.code += `${context.inAsync ? 'async ' : ''}${name}(`148 for (let i = 0; args && i < args.length; i++) {149 context.code += `${i > 0 ? ', ' : ''}${genExpression(args[i], context)}`150 }151 context.code += ');'152}153export function genTryCatch(node, context) {154 const {155 data: { tryBody, catchBody, finallyBody }156 } = node157 context.code += 'try {\r\n'158 context.code += generate(tryBody, context)159 context.code += '\r\n}'160 if (catchBody) {161 const { varName, body } = catchBody162 context.code += `catch (${varName ? varName : ''}) {\r\n`163 context.code += generate(body, context)164 context.code += '\r\n}'165 }166 if (finallyBody) {167 context.code += `finall {\r\n`168 context.code += generate(finallyBody, context)169 context.code += '\r\n}'170 }171}172export function genConditionalExpression(parts, context) {173 for (let i = 0; parts && i < parts.length; i++) {174 const { concat, expression } = parts[i]175 context.code += `${concat ? ` ${concat}` : ''}`176 genExpression(expression, context)177 }178}179/**180 * ææ¶ç´æ¥ä½¿ç¨js 表达å¼181 * @param {*} node182 * @param {*} context183 */184export function genExpression(node, context) {185 const {186 data: { type, content }187 } = node188 context.code += content...
store.js
Source:store.js
...20/**21 * @description çæå
¬å¼22 * @param item å¥é计ç®ç»æéé¢çä¸é¡¹23 */24function genExpression(item){25 let exp = "";26 for(let i = 0; i < item.data.length; i++){27 exp = `${exp}${item.data[i].outcome.odds} à `28 }29 exp = `${exp}${TICKET_VALUE} à ${item.amount}å`;30 return exp;31}32const store = new Vuex.Store({33 state: {34 betslipInfo,35 result,36 ratio: multi,37 pay: resultFormat.length * +multi * 2,38 bonusInfo: false,39 bonusCompute: {},40 isCanOptimizeEx: false41 },42 // åæ¥æ¹å43 mutations: {44 updateBetslip(state){45 let bonusInfo = games.Bonus.getBonusInfo();46 let bonusCompute = {47 max: {48 bonus: bonusInfo.maxBonus,49 expression: genExpression(bonusInfo.data[bonusInfo.data.length - 1])50 },51 min: {52 bonus: bonusInfo.minBonus,53 expression: genExpression(bonusInfo.data[0])54 }55 };56 state.isCanOptimizeEx = games.Bonus.bonusCanHotCool(state.result);57 state.bonusInfo = bonusInfo;58 state.pay = bonusInfo.pay;59 state.bonusCompute = bonusCompute;60 }61 },62 actions: {63 initBonus({commit, state}, payload){64 let { result, pay } = state;65 let defOps = {66 data: result,67 optimizeType: 0,...
util.js
Source:util.js
...28 });29 return node;30}31exports.mergeMember = mergeMember;32function genExpression(indexs) {33 let property = undefined;34 for (const index of indexs) {35 if (!property) {36 property = t.identifier(index);37 }38 else {39 property = t.binaryExpression('+', t.binaryExpression('+', property, t.stringLiteral('_')), t.identifier(index));40 }41 }42 return property;43}44exports.genExpression = genExpression;45exports.fnName = {46 prop: '_$p',...
DynamicBinding.js
Source:DynamicBinding.js
...33 });34 } else {35 let name;36 keys.some(key => {37 if (genExpression(expression) === genExpression(this._map[key])) {38 name = this._store[key].name;39 return true;40 }41 return false;42 });43 return name ? name : this._bindDynamicValue({44 expression,45 isDirective46 });47 }48 }49 getStore() {50 return this._store;51 }...
jsx-plus.js
Source:jsx-plus.js
...8 const ast = parseExpression(`9 <View x-for={val in array}>{val}</View>10 `);11 _transformList(ast, adapter);12 expect(genExpression(ast)).toEqual('<View a:for={array} a:for-item="val">{val}</View>');13 });14 });15 describe('condition', () => {16 it('simple', () => {17 const ast = parseExpression(`18 <View x-if={value}></View>19 `);20 _transformCondition(ast, adapter);21 expect(genExpression(ast)).toEqual('<View a:if={value}></View>');22 });23 });24 describe('fragment', () => {25 it('simple', () => {26 const ast = parseExpression(`27 <Fragment foo="bar"></Fragment>28 `);29 _transformFragment(ast);30 expect(genExpression(ast)).toEqual('<block foo="bar"></block>');31 });32 });...
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch();4 const page = await browser.newPage();5 await page.click('text=Docs');6 const element = await page.$('text=Getting Started');7 const expression = await element._client.send('Playwright.genExpression', {8 });9 console.log(expression);10 await browser.close();11})();12await page.$("text=Getting Started");13#### elementHandle.evaluateHandle(pageFunction[, arg])14const divCount = await page.evaluate(() => document.querySelectorAll('div').length);15const divCount = await page.$eval('div', divs => divs.length);16#### elementHandle.evaluate(pageFunction[, arg])17const divCount = await page.evaluate(() => document.querySelectorAll('div').length);18const divCount = await page.$eval('div', divs => divs.length);
Using AI Code Generation
1const playwright = require('playwright');2const { genExpression } = require('playwright/lib/server/frames');3(async () => {4 const browser = await playwright.chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.click(genExpression('text=Get Started'));8 await page.screenshot({ path: `example.png` });9 await browser.close();10})();11const playwright = require('playwright');12const { genExpression } = require('playwright-gen-expression');13(async () => {14 const browser = await playwright.chromium.launch();15 const context = await browser.newContext();16 const page = await context.newPage();17 await page.click(genExpression('text=Get Started'));18 await page.screenshot({ path: `example.png` });19 await browser.close();20})();21const playwright = require('playwright');22const { genExpression } = require('playwright-gen-expression');23(async () => {24 const browser = await playwright.chromium.launch();25 const context = await browser.newContext();26 const page = await context.newPage();27 await page.click(genExpression('text=Get Started'));28 await page.screenshot({ path: `example.png` });29 await browser.close();30})();31[MIT](LICENSE)
Using AI Code Generation
1const { genExpression } = require('playwright-core/lib/server/fraplements/recorder/recorderSupplement.js');2const expression = genExpression('click', 'button', {text: 'Click me'});3console.log(expression);4const { genExpression } = require('playwright/lib/client/codeGenerator');5const selector = 'text=Get Started';6const expression = genExpression(selector);7console.log(expression);8### Ou{ genExtression } = require('pputt-gen-expression');9const selector = 'text=Get Started';10const expression = genExpression(selector);11console.log(expression);12[MIT](LICENSE)
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch();4 const page = await browser.newPage();5 await page.click('text=Docs');6 const element = await page.$('text=Getting Started');7 const expression = await element._client.send('Playwright.genExpression', {8 });9 console.log(expression);10 await browser.close();11})();12await page.$("text=Getting Started");13#### elementHandle.evaluateHandle(pageFunction[, arg])14const playwright = require('playwright');15const {umage } = require('pent to pa/lib/page');16consts{ snternalPage } = require('playwright/lib/i to `pa/page');17const { genExpressiong} = require('./genExpression');18Page.prototype.genExpression = genExpression;19(async () => {20 const browser = await playwright.chromium.launch({ headless: false });21 const context = await browser.newContext();22 const page = await context.newPage();23 const title = await page.genExpression('document.title');24 console.log('title', title);25 await browser.close();26})();
Using AI Code Generation
1const { genExpression } = require('playwright-core/lib/server/frames');2const selector = 'div';3const expression = genExpression(selector);4console.log(expression);5const { parseSelector } = require('playwright-core/lib/server/frames');6const selector = 'div';7const expression = parseSelector(selector);8console.log(expression);9For any questions or concerns, please feel free to [open an issue](
Using AI Code Generation
1const playwright = require('playwright');2const { Page } = require('playwright/lib/page');3const { InternalPage } = require('playwright/lib/internal/page');4const { genExpression } = require('./genExpression');5Page.prototype.genExpression = genExpression;6(async () => {7 const browser = await playwright.chromium.launch({ headless: false });8 const context = await browser.newContext();9 const page = await context.newPage();10 const title = await page.genExpression('document.title');11 console.log('title', title);12 await browser.close();13})();
Using AI Code Generation
1const { genExpression } = require('@playwright/test/lib/server/frames');2const expression = genExpression('document.querySelector("input").value', true);3console.log(expression);4const { genExpression } = require('@playwright/test/lib/server/frames');5const expression = genExpression('document.querySelector("input").value', true);6console.log(expression);7const { test, expect } = require('@playwright/test');8test('should click on a button', async ({ page }) => {9 await page.click('text=Get started');10 await page.waitForSelector('text=Get started with Playwright');11 const title = await page.textContent('h1');12 expect(title).toBe('Get started with Playwright');13});14const { test, expect } = require('@playwright/test');
Using AI Code Generation
1const { genExpression } = require("playwright/lib/internal/selectorEngine");2const selector = genExpression("text=Hello World!");3const { genExpression } = require("playwright/lib/internal/selectorEngine");4const selector = genExpression("css=div");5const { genExpression } = require("playwright/lib/internal/selectorEngine");6const { genExpression } = require("playwright/lib/internal/selectorEngine");7const selector = genExpression("css=div[title='Hello World!']");8const { genExpression } = require("playwright/lib/internal/selectorEngine");9const selector = genExpression("text=Hello World!");10const { genExpression } = require("playwright/lib/internal/selectorEngine");11const selector = genExpression("label=Hello World!");12const { genExpression } = require("playwright/lib/internal/selectorEngine");13const selector = genExpression("data-testid=hello-world");14const { genExpression } = require("playwright/lib/internal/selectorEngine");15 await page.click('text=Get started');16 await page.waitForSelector('text=Get started with Playwright');17 const title = await page.textContent('h1');18 expect(title).toBe('Get started with Playwright');19});20const { test, expect } = require('@playwright/test');21test('should fill a form', async ({ page }) => {22 await page.click('text=Get started');23 await page.waitForSelector('text=Get started with Playwright');
Using AI Code Generation
1const { genExpression } = require("playwright/lib/internal/selectorEngine");2const selector = genExpression("text=Hello World!");3const { genExpression } = require("playwright/lib/internal/selectorEngine");4const selector = genExpression("css=div");5const { genExpression } = require("playwright/lib/internal/selectorEngine");6const { genExpression } = require("playwright/lib/internal/selectorEngine");7const selector = genExpression("css=div[title='Hello World!']");8const { genExpression } = require("playwright/lib/internal/selectorEngine");9const selector = genExpression("text=Hello World!");10const { genExpression } = reqwire("playwright/lib/internal/selectorEngine");11const selector = genExpression("label=Hello World!");12const { genExpression } = require("playwright/lib/internal/selectorEngine");13const selector = genExpression("data-testid=hello-world");14const { genExpression } = require("playwright/lib/internal/selectorEngine");15const selector = geait page.click('text=TypeScript');16 await page.fill('input[name="name"]', 'John Doe');17 await page.click('text=Submit');18 await page.waitForSelector('text=Thank you for your feedback!');19 const title = await page.textContent('h1');20 expect(title).toBe('Thank you for your feedback!');21});22const { test, expect } = require('@play
Playwright tutorial
LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.
Chapters:
- What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
- How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
- Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
- What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
- Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
- Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
- Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
- Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
- Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
- Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
- Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
- Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.
Run Playwright Internal automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
